期刊
APPLIED PHYSICS LETTERS
卷 84, 期 8, 页码 1266-1268出版社
AMER INST PHYSICS
DOI: 10.1063/1.1650905
关键词
-
资金
- Engineering and Physical Sciences Research Council [GR/S00392/01] Funding Source: researchfish
A THz (lambdasimilar to80 mum) quantum-cascade laser utilizing alternating photon- and phonon-emitting stages has been developed to achieve efficient extraction of electrons from the lower laser level. Thermal backfilling of electrons is drastically reduced leading to an operation up to 95 K and a weak temperature dependence of the power versus current slope efficiency. The threshold current density is 280 A cm(-2) at 6 K and increases to 580 A cm(-2) at 90 K. Peak output powers of 10 mW at 30 K and 4 mW at 80 K are obtained. (C) 2004 American Institute of Physics.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据